CN209741315U - Single-component two-dimensional textured yarn spinneret plate - Google Patents
Single-component two-dimensional textured yarn spinneret plate Download PDFInfo
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- CN209741315U CN209741315U CN201920270638.5U CN201920270638U CN209741315U CN 209741315 U CN209741315 U CN 209741315U CN 201920270638 U CN201920270638 U CN 201920270638U CN 209741315 U CN209741315 U CN 209741315U
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Abstract
The single-component two-dimensional textured yarn spinneret plate comprises a plate body which is horizontally arranged, wherein the plate body is in a disc shape, a plurality of groups of spinneret hole structures are arranged in the plate body, and the spinneret hole structures of all the groups are arranged in a circular array by taking the circle center of the plate body as a circle center; each group of spinneret orifice structures comprises two mutually independent spray orifices, the central lines of the two spray orifices of each group of spinneret orifice structures are different-surface straight lines, each spray orifice is composed of a melt leading-in section at the upper part, a conical transition section at the middle part and a capillary spinneret section at the lower part, the conical transition section is of a conical structure with a thick upper part and a thin lower part, the diameter of the melt leading-in section is equal to that of an upper port of the conical transition section, and the diameter of the capillary spinneret section is equal to that of a lower port of the conical transition section. The utility model discloses simple structure, reasonable in design only needs to change the spinneret among the spinning pack and can update the replacement to current spinneret, has improved elasticity and fluffy degree that spouts the silk, has advantage with low costs, that the process is few simultaneously.
Description
Technical Field
The utility model belongs to the technical field of polylactic acid melt spinning, concretely relates to single component two-dimensional textured yarn spinneret.
Background
Fiber-forming polymers that do not significantly decompose in the molten state are typically melt spun, such as polyester fibers, polyamide fibers, and the like, with a simple melt spinning process and high spinning speeds. The spinneret plate is an important part for melt spinning, spinneret holes on the existing spinneret plate are straight holes, spun yarns have no elasticity and bulkiness, and a mechanical device is needed for processing after spinning to obtain larger elasticity and bulkiness, so that the complexity of the process is increased, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide one kind and can improve elasticity and fluffy degree, reduce technology step, reduction in production cost's single component two-dimensional deformation silk spinneret when spouting the silk.
In order to solve the technical problem, the utility model adopts the following technical scheme: the single-component two-dimensional textured yarn spinneret plate comprises a plate body which is horizontally arranged, wherein the plate body is in a disc shape, a plurality of groups of spinneret hole structures are arranged in the plate body, and the spinneret hole structures of all the groups are arranged in a circular array by taking the circle center of the plate body as a circle center;
Each group of spinneret orifice structures comprises two mutually independent spray orifices, the central lines of the two spray orifices of each group of spinneret orifice structures are different-surface straight lines, each spray orifice consists of a melt leading-in section at the upper part, a conical transition section at the middle part and a capillary spinneret section at the lower part, the conical transition section is in a conical structure with a thick upper part and a thin lower part, the diameter of the melt leading-in section is equal to that of an upper port of the conical transition section, and the diameter of the capillary spinneret section is equal to that of a lower port of the conical transition section;
the lower ports of the capillary spinneret sections of the two spray holes of each spinneret hole structure are communicated in a crossed manner, and the contour lines of the lower ports of the capillary spinneret sections of the two spray holes of each spinneret hole structure on the lower surface of the plate body are two symmetrical major arc line segments.
the central line of each spray hole has an included angle of 5-10 degrees with the central line of the plate body, and the central lines of the two spray holes of each group of spray hole structures have an included angle of 10-20 degrees.
The diameter of the melt leading-in section is 2-4mm, and the diameter of the capillary spinning section is 0.1-0.5 mm.
By adopting the technical scheme, during spinning, single-component polylactic acid melt enters from a plurality of groups of spinning hole structures on the upper surface of the plate body, the polylactic acid melt is sprayed out through the melt leading-in sections, the conical transition sections and the capillary spinning sections of the two spinning holes under the action of high pressure, the two filaments are bonded at the lower ports of the two capillary spinning hole sections because the capillary spinning sections at the lower parts of the two spinning holes are intersected and communicated, and the two filaments are twisted into a twisted shape after being sprayed out during bonding because the central lines of the two spinning holes of each group of spinning hole structures are heterofacial straight lines, so that the sprayed deformed filaments have elasticity and filling power.
the central line of each spray hole has an included angle of 5-10 degrees with the central line of the plate body, and the central lines of the two spray holes of each group of spray hole structures have an included angle of 10-20 degrees. The diameter of the melt leading-in section is 2-4mm, and the diameter of the capillary spinning section is 0.1-0.5 mm. The parameters are all to ensure that the sprayed deformed filament has elasticity and bulkiness, and simultaneously, the pressure of the polylactic acid melt during spinning is not excessively increased.
to sum up, the utility model discloses simple structure, reasonable in design only needs to change the spinneret among the spinneret subassembly and can update the replacement to current spinneret, has improved elasticity and fluffy degree that spouts the silk, has simultaneously with low costs, the less advantage of process.
Drawings
Fig. 1 is a schematic elevation structure of the present invention;
FIG. 2 is a top view of FIG. 1;
Fig. 3 is a schematic view of the two orifice lower ports of each set of orifice structures on the lower surface of the plate body.
Detailed Description
as shown in fig. 1-3, the single-component two-dimensional textured yarn spinneret plate of the present invention comprises a plate body 1 horizontally disposed, wherein the plate body 1 is disc-shaped, a plurality of groups of spinneret hole structures are arranged along the inside of the plate body 1, and the spinneret hole structures of all the groups are arranged in a circular array around the center of the plate body 1;
Each group of spinneret orifice structures comprises two mutually independent spray orifices 2, the central lines of the two spray orifices 2 of each group of spinneret orifice structures are different-surface straight lines, each spray orifice 2 consists of a melt leading-in section 3 at the upper part, a conical transition section 4 at the middle part and a capillary spray orifice section 5 at the lower part, the conical transition section 4 is in a conical structure with a thick upper part and a thin lower part, the diameter of the melt leading-in section 3 is equal to that of an upper port of the conical transition section 4, and the diameter of the capillary spray orifice section 5 is equal to that of a lower port of the conical transition section 4;
The lower ports of the capillary spinneret sections 5 of the two spray holes 2 of each spinneret hole structure are communicated in a crossed manner, and the contour lines of the lower ports of the capillary spinneret sections 5 of the two spray holes 2 of each spinneret hole structure on the lower surface of the plate body 1 are two symmetrical major arc line segments 6.
The central line of each spray hole 2 and the central line of the plate body 1 form an included angle A of 5-10 degrees, and the central lines of the two spray holes 2 of each group of spray hole structures form an included angle B of 10-20 degrees.
The diameter of the melt leading-in section 3 is 2-4mm, and the diameter of the capillary spinning section 5 is 0.1-0.5 mm.
When spinning, single-component polylactic acid melt enters from a plurality of groups of spinneret orifice structures on the upper surface of the plate body 1, the polylactic acid melt is sprayed out through the melt leading-in sections 3 of the two spray orifices 2, the conical transition sections 4 and the capillary spinneret sections 5 under the action of high pressure, because the capillary spinneret sections 5 at the lower parts of the two spray orifices 2 are intersected and communicated, the two filaments are bonded at the lower ports of the two capillary spinneret sections 5, because the central lines of the two spray orifices 2 of each group of spinneret orifice structures are non-coplanar straight lines, the filaments are twisted into a twist shape after being sprayed out during bonding, and thus, the sprayed deformed filaments have elasticity and fluffiness.
The central line of each spray hole 2 and the central line of the plate body 1 form an included angle A of 5-10 degrees, and the central lines of the two spray holes 2 of each group of spray hole structures form an included angle B of 10-20 degrees. The diameter of the melt leading-in section 3 is 2-4mm, and the diameter of the capillary spinning section 5 is 0.1-0.5 mm. The parameters are all to ensure that the sprayed deformed filament has elasticity and bulkiness, and simultaneously, the pressure of the polylactic acid melt during spinning is not excessively increased.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (3)
1. The single-component two-dimensional textured yarn spinneret plate is characterized in that: the spinneret plate comprises a plate body which is horizontally arranged, wherein the plate body is in a disc shape, a plurality of groups of spinneret hole structures are arranged in the plate body, and the spinneret hole structures of all the groups are arranged in a circular array by taking the circle center of the plate body as a circle;
each group of spinneret orifice structures comprises two mutually independent spray orifices, the central lines of the two spray orifices of each group of spinneret orifice structures are different-surface straight lines, each spray orifice consists of a melt leading-in section at the upper part, a conical transition section at the middle part and a capillary spinneret section at the lower part, the conical transition section is in a conical structure with a thick upper part and a thin lower part, the diameter of the melt leading-in section is equal to that of an upper port of the conical transition section, and the diameter of the capillary spinneret section is equal to that of a lower port of the conical transition section;
the lower ports of the capillary spinneret sections of the two spray holes of each spinneret hole structure are communicated in a crossed manner, and the contour lines of the lower ports of the capillary spinneret sections of the two spray holes of each spinneret hole structure on the lower surface of the plate body are two symmetrical major arc line segments.
2. The single component two-dimensional textured yarn spinneret of claim 1, wherein: the central line of each spray hole has an included angle of 5-10 degrees with the central line of the plate body, and the central lines of the two spray holes of each group of spray hole structures have an included angle of 10-20 degrees.
3. The single-component two-dimensional textured yarn spinneret plate according to claim 1 or 2, wherein: the diameter of the melt leading-in section is 2-4mm, and the diameter of the capillary spinning section is 0.1-0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270638.5U CN209741315U (en) | 2019-03-04 | 2019-03-04 | Single-component two-dimensional textured yarn spinneret plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270638.5U CN209741315U (en) | 2019-03-04 | 2019-03-04 | Single-component two-dimensional textured yarn spinneret plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209741315U true CN209741315U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270638.5U Active CN209741315U (en) | 2019-03-04 | 2019-03-04 | Single-component two-dimensional textured yarn spinneret plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209741315U (en) |
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2019
- 2019-03-04 CN CN201920270638.5U patent/CN209741315U/en active Active
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